Tailored from linen, Theory's blazer is a great suiting option for spring - its lightweight feel and soft beige hue will work extra hard in your warm-weather wardrobe. It's designed for a slim fit with shawl-like lapels and has a double-breasted front. Wear yours with neutral tones and gold jewelry.

Theory's blazer is refined enough for the office, but equally wearable for drinks at the weekend. Made from crepe, it has notched lapels and a double back vent, while the lace detailing along the sides create a fresh silhouette. The smooth satin lining means easy layering, too.

Theory has perfected the classic black blazer and we love this season's version of the wardrobe staple. Crafted from supple, stretchy leather, this 'Bristol' style has notched lapels, slit pockets and a double-breasted front that accentuates its slim fit. It's fully lined, so will easily slip over turtlenecks or T-shirts - try yours with denim and ankle boots.